<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
p+div{
display: flex;
width: 100%;
border: 1px solid #8c8c8c;
}
p+div > div{
height: 90px;
border: 1px solid #8c8c8c;
margin: 10px;
flex-grow: 1;
-webkit-flex-grow: 1;
}
#parent1 > div:nth-child(2){
flex-grow: 2;
-webkit-flex-grow: 2;
}
</style>
</head>
<body>
<h1>CSS flex-grow Property</h1>
<p>The following div has all child with flex-grow: 1;</p>
<div id="parent">
<div>Div 1</div>
<div>Div 2</div>
<div>Div 3</div>
</div>
<p>The following div has first and third child with flex-grow: 1; and second child with flex-grow: 2</p>
<div id="parent1">
<div>Div 1</div>
<div>Div 2</div>
<div>Div 3</div>
</div>
</body>
</html>